From 12a96cba66e27969724690d36fc4e52d1515533f Mon Sep 17 00:00:00 2001
From: Christoph Urlacher <christoph.urlacher@protonmail.com>
Date: Sun, 22 Feb 2026 01:49:54 +0100
Subject: [PATCH] decrease special mass size + add hjkl movement bindings

---
 include/input.hpp | 10 +++++-----
 src/input.cpp     |  8 ++++----
 src/main.cpp      |  1 -
 src/renderer.cpp  |  8 ++++----
 4 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/include/input.hpp b/include/input.hpp
index 15055b3..bad4dc9 100644
--- a/include/input.hpp
+++ b/include/input.hpp
@@ -14,14 +14,14 @@ public:
   int sel_x;
   int sel_y;
 
-  bool has_block_add_xy = false;
-  int block_add_x = -1;
-  int block_add_y = -1;
+  bool has_block_add_xy;
+  int block_add_x;
+  int block_add_y;
 
 public:
   InputHandler(StateManager &state, Renderer &renderer)
-      : state(state), renderer(renderer), hov_x(-1), hov_y(-1), sel_x(-1),
-        sel_y(-1), has_block_add_xy(false), block_add_x(-1), block_add_y(-1) {}
+      : state(state), renderer(renderer), hov_x(-1), hov_y(-1), sel_x(0),
+        sel_y(0), has_block_add_xy(false), block_add_x(-1), block_add_y(-1) {}
 
   InputHandler(const InputHandler &copy) = delete;
   InputHandler &operator=(const InputHandler &copy) = delete;
diff --git a/src/input.cpp b/src/input.cpp
index 3c3db2e..df06a17 100644
--- a/src/input.cpp
+++ b/src/input.cpp
@@ -88,19 +88,19 @@ auto InputHandler::HandleMouse() -> void {
 }
 
 auto InputHandler::HandleKeys() -> void {
-  if (IsKeyPressed(KEY_W)) {
+  if (IsKeyPressed(KEY_W) || IsKeyPressed(KEY_K)) {
     if (state.current_state.MoveBlockAt(sel_x, sel_y, Direction::NOR)) {
       sel_y--;
     }
-  } else if (IsKeyPressed(KEY_A)) {
+  } else if (IsKeyPressed(KEY_A) || IsKeyPressed(KEY_H)) {
     if (state.current_state.MoveBlockAt(sel_x, sel_y, Direction::WES)) {
       sel_x--;
     }
-  } else if (IsKeyPressed(KEY_S)) {
+  } else if (IsKeyPressed(KEY_S) || IsKeyPressed(KEY_J)) {
     if (state.current_state.MoveBlockAt(sel_x, sel_y, Direction::SOU)) {
       sel_y++;
     }
-  } else if (IsKeyPressed(KEY_D)) {
+  } else if (IsKeyPressed(KEY_D) || IsKeyPressed(KEY_L)) {
     if (state.current_state.MoveBlockAt(sel_x, sel_y, Direction::EAS)) {
       sel_x++;
     }
diff --git a/src/main.cpp b/src/main.cpp
index 8078c71..993a5ec 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -109,7 +109,6 @@ auto main(int argc, char *argv[]) -> int {
     renderer.DrawMassSprings(mass_springs, state.current_state,
                              state.winning_states);
 
-    // TODO: Don't render each frame
     renderer.DrawKlotski(state.current_state, input.hov_x, input.hov_y,
                          input.sel_x, input.sel_y, input.block_add_x,
                          input.block_add_y, state.CurrentWinCondition());
diff --git a/src/renderer.cpp b/src/renderer.cpp
index 5d64601..8035675 100644
--- a/src/renderer.cpp
+++ b/src/renderer.cpp
@@ -216,16 +216,16 @@ auto Renderer::DrawMassSprings(const MassSpringSystem &mass_springs,
 
   // Mark current state
   const Mass &current_mass = mass_springs.GetMass(current_state);
-  DrawCube(current_mass.position, VERTEX_SIZE * 4, VERTEX_SIZE * 4,
-           VERTEX_SIZE * 4, RED);
+  DrawCube(current_mass.position, VERTEX_SIZE * 2, VERTEX_SIZE * 2,
+           VERTEX_SIZE * 2, RED);
 
   // Mark winning states
   if (mark_solutions || connect_solutions) {
     for (const auto &state : winning_states) {
       const Mass &winning_mass = mass_springs.GetMass(state);
       if (mark_solutions) {
-        DrawCube(winning_mass.position, 4 * VERTEX_SIZE, 4 * VERTEX_SIZE,
-                 4 * VERTEX_SIZE, BLUE);
+        DrawCube(winning_mass.position, 2 * VERTEX_SIZE, 2 * VERTEX_SIZE,
+                 2 * VERTEX_SIZE, BLUE);
       }
 
       if (connect_solutions) {